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Date:      Wed, 28 Dec 2005 10:50:38 -0800
From:      Julian Elischer <julian@elischer.org>
To:        Brian Candler <B.Candler@pobox.com>
Cc:        freebsd-net@freebsd.org
Subject:   Re: IPSEC documentation
Message-ID:  <43B2DE7E.5080707@elischer.org>
In-Reply-To: <20051228155545.GA7166@uk.tiscali.com>
References:  <20051228143817.GA6898@uk.tiscali.com>	<86lky5p7ik.fsf@srvbsdnanssv.interne.kisoft-services.com> <20051228155545.GA7166@uk.tiscali.com>

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Brian Candler wrote:

>On Wed, Dec 28, 2005 at 04:26:43PM +0100, Eric Masson wrote:
>  
>
>>gif/gre tunnels and ipsec transport mode are quite convenient when
>>associated with dynamic routing protocols.
>>    
>>
>
>OK, I'll buy gif + IPSEC transport mode as an option. [Although in that
>case, perhaps what you want is an external IPSEC tunnel mode implementation
>which attaches to a 'tun' device. That's yet another category which I hadn't
>even considered]
>  
>

I use ppp (mpd) over UDP over ipsec transport mode. That gives you a 
"ng0" interface
for the tunnel. (netgraph pseudo interface)

>I still think that gif + IPSEC tunnel mode (as currently documented) is not
>a good approach, especially if it's the *only* mode of operation to be
>documented and hence implicitly recommended as the 'right' way to do it.
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>  
>



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